Skip to main content
Log in

On certain p-valent close-to-convex functions of order \(\beta \) and type \(\alpha \)

  • Original Paper
  • Published:
Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A. Matemáticas Aims and scope Submit manuscript

Abstract

A new class \(K_p(\alpha ,\beta )\) consisting of the functions which are p-valent close-to-convex of order \(\beta \) and type \(\alpha \) is introduced. The object of the present paper is to derive some sufficient conditions for functions to be in the class \(K_p(\alpha ,\beta )\).

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. Baricz, Á., Szász, R.: Close-to-convexity of some special functions and their derivatives. Bull. Malays. Math. Sci. Soc. 39, 427–437 (2016)

    Article  MathSciNet  MATH  Google Scholar 

  2. Clunie, J., Pommerenke, C.: On the coefficients of close-to-convex univalent functions. J. Lond. Math. Soc. 41, 161–165 (1966)

    Article  MathSciNet  MATH  Google Scholar 

  3. Dorff, M., Naraniecka, I., Szynal, J.: Doubly close-to-convex functions. J. Math. Anal. Appl. 290, 55–62 (2004)

    Article  MathSciNet  MATH  Google Scholar 

  4. Duren, P.L.: An arclength problem for close-to-convex functions. J. Lond. Math. Soc. 39, 757–761 (1964)

    Article  MathSciNet  MATH  Google Scholar 

  5. Kaplan, W.: Close-to-convex schlicht functions. Mich. Math. J. 1, 169–185 (1952)

    Article  MathSciNet  MATH  Google Scholar 

  6. Leung, Y.J.: Robertson’s conjecture on the coefficients of close-to-convex functions. Proc. Am. Math. Soc. 76, 89–94 (1979)

    MathSciNet  MATH  Google Scholar 

  7. Livingston, A.E.: \(P\)-valent close-to-convex functions. Trans. Am. Math. Soc. 115, 161–179 (1965)

    MathSciNet  MATH  Google Scholar 

  8. Noor, K.I., Arif, M., Ul-Haq, W.: On \(k\)-uniformly close-to-convex functions of complex order. Appl. Math. Comput. 215, 629–635 (2009)

    MathSciNet  MATH  Google Scholar 

  9. Owa, S., Nunokawa, M., Saitoh, H., Srivastava, H.M.: Close-to-convexity, starlikeness, and convexity of certain analytic functions. Appl. Math. Lett. 15, 63–69 (2002)

    Article  MathSciNet  MATH  Google Scholar 

  10. Patel, J., Cho, N.E.: On certain sufficient conditions for close-to-convexity. Appl. Math. Comput. 187, 369–378 (2007)

    MathSciNet  MATH  Google Scholar 

  11. Polatoglu, Y., Kahramaner, Y., Aydogan, M.: Harmonic mappings for which co-analytic part is a close-to-convex function of order \(b\). J. Inequal. Appl. 2015, 18 (2015)

    Article  MathSciNet  MATH  Google Scholar 

  12. Reade, M.O.: On close-to-convex univalent functions. Mich. Math. J. 3, 59–62 (1955–1956)

  13. Srivastava, H.M., Khan, M.R., Arif, M.: Some subclasses of close-to-convex mappings associated with conic regions. Appl. Math. Comput. 285, 94–102 (2016)

    MathSciNet  MATH  Google Scholar 

  14. Srivastava, H.M, Li, S.H. Tang, H.: Certain classes of k-uniformly close-to-convex functions and other related functions defined by using the Dziok–Srivastava operator. Bull. Math. Anal. Appl. 1, 49–63 (2009) (electronic)

  15. Srivastava, H.M., Mishra, A.K., Das, M.K.: The Fekete–Szegö problem for a subclass of close-to-convex functions. Complex Var. Theory Appl. 44, 145–163 (2001)

    MATH  Google Scholar 

  16. Srivastava, H.M., Raducanu, D., Salagean, G.S.: A new class of generalized close-to-starlike functions defined by the Srivastava–Attiya operator. Acta Math. Sin. (Engl. Ser.) 29, 833–840 (2013)

    Article  MathSciNet  MATH  Google Scholar 

  17. Suffridge, T.J.: Some remarks on convex maps of the unit disk. Duke Math. J. 37, 775–777 (1970)

    Article  MathSciNet  MATH  Google Scholar 

  18. Wang, Z.-G., Gao, C.-Y., Yuan, S.-M.: On certain subclasses of close-to-convex and quasi-convex functions with respect to \(k\)-symmetric points. J. Math. Anal. Appl. 322, 97–106 (2006)

    Article  MathSciNet  MATH  Google Scholar 

  19. Wilken, D.R.: The integral means of close-to-convex functions. Mich. Math. J. 19, 377–379 (1972)

    Article  MathSciNet  MATH  Google Scholar 

  20. Xu, Q., Liu, T., Liu, X.: On a subclass of close-to-convex mappings. Complex Anal. Oper. Theory 9, 275–286 (2015)

    Article  MathSciNet  MATH  Google Scholar 

  21. Xu, Q., Srivastava, H.M., Li, Z.: A certain subclass of analytic and close-to-convex functions. Appl. Math. Lett. 24, 396–401 (2011)

    Article  MathSciNet  MATH  Google Scholar 

  22. Xu, N., Yang, D.-G.: An application of differential subordinations and some criteria for starlikeness. Indian J. Pure Appl. Math. 36, 541–556 (2005)

    MathSciNet  MATH  Google Scholar 

  23. Xu, N., Yang, D.-G., Owa, S.: On strongly starlike multivalent functions of order \(\beta \) and type \(\alpha \). Math. Nachr. 283, 1207–1218 (2010)

    Article  MathSciNet  MATH  Google Scholar 

  24. Yang, D.-G., Liu, J.-L.: Argument inequalities for certain analytic functions. Math. Comput. Model. 52, 1812–1821 (2010)

    Article  MathSciNet  MATH  Google Scholar 

  25. Ye, Z.: On the successive coefficients of close-to-convex functions. J. Math. Anal. Appl. 283, 689–695 (2003)

    Article  MathSciNet  MATH  Google Scholar 

Download references

Acknowledgements

This work is supported by National Natural Science Foundation of China (Grant No. 11571299) and Natural Science Foundation of Jiangsu Province (Grant No. BK20151304).

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Jin-Lin Liu.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Liu, JL. On certain p-valent close-to-convex functions of order \(\beta \) and type \(\alpha \). RACSAM 113, 49–57 (2019). https://doi.org/10.1007/s13398-017-0449-9

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s13398-017-0449-9

Keywords

Mathematics Subject Classification

Navigation